IQ Riddles

IQ Riddles are riddles that test your IQ. They are usually in the form of a logic riddle.

Barrel Half Full

There is a barrel with no lid and some water in it. “This barrel is more than half full,” said Tom. “No it’s not,” say John. “It’s less than half full.” Without any measuring implements and without removing any water from the barrel, how can they easily determine who is correct?

Riddle Answer